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starmartyr t1_j3bkmak wrote

In the case of Colorado, it does not have any natural boundaries. Colorado and Wyoming are the only states that are like this. Every other state has at least one boundary defined by a coastline or river. All of Colorado's sides are straight lines (at least as straight as a line can be on a globe).

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herbw t1_j3ezs8c wrote

Natural boundaries such as river and lake sea coasts are not stable, set, nor precisely measurable.

Most competent map makers are aware of that. Not so 99% here.

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